Jonaah
Jonaah
17-04-2018
Mathematics
contestada
what is the value of x?
Respuesta :
budwilkins
budwilkins
19-04-2018
there are 360° in a quadrilateral, so 360-180 = 180
18x-2 + 12x+2 = 180
30x +0 = 180
30x/30 = 180/30
x = 6
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